Dynamically Set two images in wrapper

I have created an ember app.The app contains a feed page and is constituted with images.There are two images sides by sides inside a wrapper of dimension ( 700x416 ).Now I want to implement something in which the two images set themselves dynamically based upon their original size ( this means the images with greater dimension will acquire more space in wrapper than the second images.How do I implement it.I am very new to frontend part and not sure where to start.Please answer with demos or tutorial link for my better understanding